Abstract
The concurrence of different types of brain tumors is extremely rare. We present a 29-yearold women with brainstem hemangioblastoma, posterior fossa meningiomas and a pituitary spaceoccupying lesion causing hyperprolactinemia.Despite multiple primary intracranial tumors,through systemic work-up, no other manifestation related to von Hippel-Lindau(VHL) disease was found. Complete resection of the brainstem hemangioblastoma and posterior fossa meningiomas was achieved in one single operation via a sub-occipital posterior combined with retrosigmoid approach. The patient was discharged without obvious postoperative complications. Gene copy number analysis based on quantitative PCR revealed partial deletion of Exon 1 in VHL gene in the peripheral blood, brainstem hemangioblastoma and meningiomas. The germline and somatic abnormality in VHL gene might be causally related to tumorigenesis in tumors other than hemangioblastoma,although the exact mechanism is unclear. A close follow-up is significant for such a patient with a de-novo deletion of VHL gene.
Keywords: Multiple brain tumors, brainstem hemangioblastoma, pituitary adenoma, meningioma, VHL.
Graphical Abstract
Current Signal Transduction Therapy
Title:Genetic Study in One Individual with Brainstem Hemangioblastoma, Multiple Meningiomas and a Pituitary Space-Occupying Lesion Revealing Partial Deletion in VHL Gene
Volume: 11 Issue: 1
Author(s): Pengfei Liu, Yanning Cai, Jianxin Du, Jiayin Wang, Mingchu Li, Dandan Wang and Ling Chen
Affiliation:
Keywords: Multiple brain tumors, brainstem hemangioblastoma, pituitary adenoma, meningioma, VHL.
Abstract: The concurrence of different types of brain tumors is extremely rare. We present a 29-yearold women with brainstem hemangioblastoma, posterior fossa meningiomas and a pituitary spaceoccupying lesion causing hyperprolactinemia.Despite multiple primary intracranial tumors,through systemic work-up, no other manifestation related to von Hippel-Lindau(VHL) disease was found. Complete resection of the brainstem hemangioblastoma and posterior fossa meningiomas was achieved in one single operation via a sub-occipital posterior combined with retrosigmoid approach. The patient was discharged without obvious postoperative complications. Gene copy number analysis based on quantitative PCR revealed partial deletion of Exon 1 in VHL gene in the peripheral blood, brainstem hemangioblastoma and meningiomas. The germline and somatic abnormality in VHL gene might be causally related to tumorigenesis in tumors other than hemangioblastoma,although the exact mechanism is unclear. A close follow-up is significant for such a patient with a de-novo deletion of VHL gene.
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Liu Pengfei, Cai Yanning, Du Jianxin, Wang Jiayin, Li Mingchu, Wang Dandan and Chen Ling, Genetic Study in One Individual with Brainstem Hemangioblastoma, Multiple Meningiomas and a Pituitary Space-Occupying Lesion Revealing Partial Deletion in VHL Gene, Current Signal Transduction Therapy 2016; 11 (1) . https://dx.doi.org/10.2174/1574362411666160429105406
DOI https://dx.doi.org/10.2174/1574362411666160429105406 |
Print ISSN 1574-3624 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-389X |
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